1 /* $NetBSD: get_args.c,v 1.1.1.3 2015/01/17 16:34:15 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2014 Erez Zadok 5 * Copyright (c) 1990 Jan-Simon Pendry 6 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine 7 * Copyright (c) 1990 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry at Imperial College, London. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * 38 * File: am-utils/amd/get_args.c 39 * 40 */ 41 42 /* 43 * Argument decode 44 */ 45 46 #ifdef HAVE_CONFIG_H 47 # include <config.h> 48 #endif /* HAVE_CONFIG_H */ 49 #include <am_defs.h> 50 #include <amd.h> 51 52 /* include auto-generated version file */ 53 #include <build_version.h> 54 55 char *amu_conf_file = "/etc/amd.conf"; /* default amd configuration file */ 56 char *conf_tag = NULL; /* default conf file tags to use */ 57 int usage = 0; 58 int use_conf_file = 0; /* default don't use amd.conf file */ 59 char *mnttab_file_name = NULL; /* symbol must be available always */ 60 61 62 /* 63 * Return the version string (dynamic buffer) 64 */ 65 char * 66 get_version_string(void) 67 { 68 char *vers = NULL; 69 char tmpbuf[1024]; 70 char *wire_buf; 71 int wire_buf_len = 0; 72 size_t len; /* max allocated length (to avoid buf overflow) */ 73 74 /* 75 * First get dynamic string listing all known networks. 76 * This could be a long list, if host has lots of interfaces. 77 */ 78 wire_buf = print_wires(); 79 if (wire_buf) 80 wire_buf_len = strlen(wire_buf); 81 82 len = 2048 + wire_buf_len; 83 vers = xmalloc(len); 84 xsnprintf(vers, len, "%s\n%s\n%s\n%s\n", 85 "Copyright (c) 1997-2014 Erez Zadok", 86 "Copyright (c) 1990 Jan-Simon Pendry", 87 "Copyright (c) 1990 Imperial College of Science, Technology & Medicine", 88 "Copyright (c) 1990 The Regents of the University of California."); 89 xsnprintf(tmpbuf, sizeof(tmpbuf), "%s version %s (build %d).\n", 90 PACKAGE_NAME, PACKAGE_VERSION, AMU_BUILD_VERSION); 91 xstrlcat(vers, tmpbuf, len); 92 xsnprintf(tmpbuf, sizeof(tmpbuf), "Report bugs to %s.\n", PACKAGE_BUGREPORT); 93 xstrlcat(vers, tmpbuf, len); 94 xsnprintf(tmpbuf, sizeof(tmpbuf), "Configured by %s@%s on date %s.\n", 95 USER_NAME, HOST_NAME, CONFIG_DATE); 96 xstrlcat(vers, tmpbuf, len); 97 xsnprintf(tmpbuf, sizeof(tmpbuf), "Built by %s@%s on date %s.\n", 98 BUILD_USER, BUILD_HOST, BUILD_DATE); 99 xstrlcat(vers, tmpbuf, len); 100 xsnprintf(tmpbuf, sizeof(tmpbuf), "cpu=%s (%s-endian), arch=%s, karch=%s.\n", 101 cpu, endian, gopt.arch, gopt.karch); 102 xstrlcat(vers, tmpbuf, len); 103 xsnprintf(tmpbuf, sizeof(tmpbuf), "full_os=%s, os=%s, osver=%s, vendor=%s, distro=%s.\n", 104 gopt.op_sys_full, gopt.op_sys, gopt.op_sys_ver, gopt.op_sys_vendor, DISTRO_NAME); 105 xstrlcat(vers, tmpbuf, len); 106 xsnprintf(tmpbuf, sizeof(tmpbuf), "domain=%s, host=%s, hostd=%s.\n", 107 hostdomain, am_get_hostname(), hostd); 108 xstrlcat(vers, tmpbuf, len); 109 110 xstrlcat(vers, "Map support for: ", len); 111 mapc_showtypes(tmpbuf, sizeof(tmpbuf)); 112 xstrlcat(vers, tmpbuf, len); 113 xstrlcat(vers, ".\nAMFS: ", len); 114 ops_showamfstypes(tmpbuf, sizeof(tmpbuf)); 115 xstrlcat(vers, tmpbuf, len); 116 xstrlcat(vers, ", inherit.\nFS: ", len); /* hack: "show" that we support type:=inherit */ 117 ops_showfstypes(tmpbuf, sizeof(tmpbuf)); 118 xstrlcat(vers, tmpbuf, len); 119 120 /* append list of networks if available */ 121 if (wire_buf) { 122 xstrlcat(vers, wire_buf, len); 123 XFREE(wire_buf); 124 } 125 126 return vers; 127 } 128 129 130 static void 131 show_usage(void) 132 { 133 fprintf(stderr, 134 "Usage: %s [-nprvHS] [-a mount_point] [-c cache_time] [-d domain]\n\ 135 \t[-k kernel_arch] [-l logfile%s\n\ 136 \t[-t timeout.retrans] [-w wait_timeout] [-A arch] [-C cluster_name]\n\ 137 \t[-o op_sys_ver] [-O op_sys_name]\n\ 138 \t[-F conf_file] [-T conf_tag]", am_get_progname(), 139 #ifdef HAVE_SYSLOG 140 # ifdef LOG_DAEMON 141 "|\"syslog[:facility]\"]" 142 # else /* not LOG_DAEMON */ 143 "|\"syslog\"]" 144 # endif /* not LOG_DAEMON */ 145 #else /* not HAVE_SYSLOG */ 146 "]" 147 #endif /* not HAVE_SYSLOG */ 148 ); 149 150 #ifdef HAVE_MAP_NIS 151 fputs(" [-y nis-domain]\n", stderr); 152 #else /* not HAVE_MAP_NIS */ 153 fputc('\n', stderr); 154 #endif /* HAVE_MAP_NIS */ 155 156 show_opts('x', xlog_opt); 157 #ifdef DEBUG 158 show_opts('D', dbg_opt); 159 #endif /* DEBUG */ 160 fprintf(stderr, "\t[directory mapname [-map_options]] ...\n"); 161 } 162 163 164 void 165 get_args(int argc, char *argv[]) 166 { 167 int opt_ch, i; 168 FILE *fp = stdin; 169 char getopt_arguments[] = "+nprvSa:c:d:k:l:o:t:w:x:y:C:D:F:T:O:HA:"; 170 char *getopt_args; 171 int print_version = 0; /* 1 means we should print version info */ 172 173 #ifdef HAVE_GNU_GETOPT 174 getopt_args = getopt_arguments; 175 #else /* ! HAVE_GNU_GETOPT */ 176 getopt_args = &getopt_arguments[1]; 177 #endif /* HAVE_GNU_GETOPT */ 178 179 /* if no arguments were passed, try to use /etc/amd.conf file */ 180 if (argc <= 1) 181 use_conf_file = 1; 182 183 while ((opt_ch = getopt(argc, argv, getopt_args)) != -1) 184 switch (opt_ch) { 185 186 case 'a': 187 if (*optarg != '/') { 188 fprintf(stderr, "%s: -a option must begin with a '/'\n", 189 am_get_progname()); 190 exit(1); 191 } 192 gopt.auto_dir = optarg; 193 break; 194 195 case 'c': 196 gopt.am_timeo = atoi(optarg); 197 if (gopt.am_timeo <= 0) 198 gopt.am_timeo = AM_TTL; 199 break; 200 201 case 'd': 202 gopt.sub_domain = optarg; 203 break; 204 205 case 'k': 206 gopt.karch = optarg; 207 break; 208 209 case 'l': 210 gopt.logfile = optarg; 211 break; 212 213 case 'n': 214 gopt.flags |= CFM_NORMALIZE_HOSTNAMES; 215 break; 216 217 case 'o': 218 gopt.op_sys_ver = optarg; 219 break; 220 221 case 'p': 222 gopt.flags |= CFM_PRINT_PID; 223 break; 224 225 case 'r': 226 gopt.flags |= CFM_RESTART_EXISTING_MOUNTS; 227 break; 228 229 case 't': 230 /* timeo.retrans (also affects toplvl mounts) */ 231 { 232 char *dot = strchr(optarg, '.'); 233 int i; 234 if (dot) 235 *dot = '\0'; 236 if (*optarg) { 237 for (i=0; i<AMU_TYPE_MAX; ++i) 238 gopt.amfs_auto_timeo[i] = atoi(optarg); 239 } 240 if (dot) { 241 for (i=0; i<AMU_TYPE_MAX; ++i) 242 gopt.amfs_auto_retrans[i] = atoi(dot + 1); 243 *dot = '.'; 244 } 245 } 246 break; 247 248 case 'v': 249 /* 250 * defer to print version info after every variable had been 251 * initialized. 252 */ 253 print_version++; 254 break; 255 256 case 'w': 257 gopt.am_timeo_w = atoi(optarg); 258 if (gopt.am_timeo_w <= 0) 259 gopt.am_timeo_w = AM_TTL_W; 260 break; 261 262 case 'x': 263 usage += switch_option(optarg); 264 break; 265 266 case 'y': 267 #ifdef HAVE_MAP_NIS 268 gopt.nis_domain = optarg; 269 #else /* not HAVE_MAP_NIS */ 270 plog(XLOG_USER, "-y: option ignored. No NIS support available."); 271 #endif /* not HAVE_MAP_NIS */ 272 break; 273 274 case 'A': 275 gopt.arch = optarg; 276 break; 277 278 case 'C': 279 gopt.cluster = optarg; 280 break; 281 282 case 'D': 283 #ifdef DEBUG 284 usage += debug_option(optarg); 285 #else /* not DEBUG */ 286 fprintf(stderr, "%s: not compiled with DEBUG option -- sorry.\n", 287 am_get_progname()); 288 #endif /* not DEBUG */ 289 break; 290 291 case 'F': 292 amu_conf_file = optarg; 293 use_conf_file = 1; 294 break; 295 296 case 'H': 297 show_usage(); 298 exit(1); 299 break; 300 301 case 'O': 302 gopt.op_sys = optarg; 303 break; 304 305 case 'S': 306 gopt.flags &= ~CFM_PROCESS_LOCK; /* turn process locking off */ 307 break; 308 309 case 'T': 310 conf_tag = optarg; 311 break; 312 313 default: 314 usage = 1; 315 break; 316 } 317 318 /* 319 * amd.conf file: if not command-line arguments were used, or if -F was 320 * specified, then use that amd.conf file. If the file cannot be opened, 321 * abort amd. If it can be found, open it, parse it, and then close it. 322 */ 323 if (use_conf_file && amu_conf_file) { 324 fp = fopen(amu_conf_file, "r"); 325 if (!fp) { 326 char buf[128]; 327 xsnprintf(buf, sizeof(buf), "Amd configuration file (%s)", 328 amu_conf_file); 329 perror(buf); 330 exit(1); 331 } 332 conf_in = fp; 333 conf_parse(); 334 fclose(fp); 335 if (process_all_regular_maps() != 0) 336 exit(1); 337 } 338 339 #ifdef DEBUG 340 usage += switch_option("debug"); 341 /* initialize debug options */ 342 if (!debug_flags) 343 debug_flags = D_CONTROL; /* CONTROL = "daemon,amq,fork" */ 344 #endif /* DEBUG */ 345 346 /* log information regarding amd.conf file */ 347 if (use_conf_file && amu_conf_file) 348 plog(XLOG_INFO, "using configuration file %s", amu_conf_file); 349 350 #ifdef HAVE_MAP_LDAP 351 /* ensure that if ldap_base is specified, that also ldap_hostports is */ 352 if (gopt.ldap_hostports && !gopt.ldap_base) { 353 fprintf(stderr, "must specify both ldap_hostports and ldap_base\n"); 354 exit(1); 355 } 356 #endif /* HAVE_MAP_LDAP */ 357 358 if (usage) { 359 show_usage(); 360 exit(1); 361 } 362 363 while (optind <= argc - 2) { 364 char *dir = argv[optind++]; 365 char *map = argv[optind++]; 366 char *opts = ""; 367 if (argv[optind] && *argv[optind] == '-') 368 opts = &argv[optind++][1]; 369 370 root_newmap(dir, opts, map, NULL); 371 } 372 373 if (optind == argc) { 374 /* 375 * Append domain name to hostname. 376 * sub_domain overrides hostdomain 377 * if given. 378 */ 379 if (gopt.sub_domain) 380 hostdomain = gopt.sub_domain; 381 if (*hostdomain == '.') 382 hostdomain++; 383 xstrlcat(hostd, ".", sizeof(hostd)); 384 xstrlcat(hostd, hostdomain, sizeof(hostd)); 385 386 #ifdef MOUNT_TABLE_ON_FILE 387 if (amuDebug(D_MTAB)) 388 if (gopt.debug_mtab_file) 389 mnttab_file_name = gopt.debug_mtab_file; /* user supplied debug mtab path */ 390 else 391 mnttab_file_name = DEBUG_MNTTAB_FILE; /* default debug mtab path */ 392 else 393 mnttab_file_name = MNTTAB_FILE_NAME; 394 #else /* not MOUNT_TABLE_ON_FILE */ 395 if (amuDebug(D_MTAB)) 396 dlog("-D mtab option ignored"); 397 # ifdef MNTTAB_FILE_NAME 398 mnttab_file_name = MNTTAB_FILE_NAME; 399 # endif /* MNTTAB_FILE_NAME */ 400 #endif /* not MOUNT_TABLE_ON_FILE */ 401 402 /* 403 * If the kernel architecture was not specified 404 * then use the machine architecture. 405 */ 406 if (gopt.karch == NULL) 407 gopt.karch = gopt.arch; 408 409 if (gopt.cluster == NULL) 410 gopt.cluster = hostdomain; 411 412 /* sanity checking, normalize values just in case (toplvl too) */ 413 for (i=0; i<AMU_TYPE_MAX; ++i) { 414 if (gopt.amfs_auto_timeo[i] == 0) 415 gopt.amfs_auto_timeo[i] = AMFS_AUTO_TIMEO; 416 if (gopt.amfs_auto_retrans[i] == 0) 417 gopt.amfs_auto_retrans[i] = AMFS_AUTO_RETRANS(i); 418 if (gopt.amfs_auto_retrans[i] == 0) 419 gopt.amfs_auto_retrans[i] = 3; /* under very unusual circumstances, could be zero */ 420 } 421 } 422 423 /* finally print version string and exit, if asked for */ 424 if (print_version) { 425 fputs(get_version_string(), stderr); 426 exit(0); 427 } 428 429 if (switch_to_logfile(gopt.logfile, orig_umask, 430 (gopt.flags & CFM_TRUNCATE_LOG)) != 0) 431 plog(XLOG_USER, "Cannot switch logfile"); 432 433 return; 434 } 435
Indexes created Wed Jun 24 00:24:50 UTC 2026